body {
    padding-top: 70px;
    margin-bottom: 80px;
    background-color: #0a1016;
    color: #c0c0c0;
}

footer {
    padding: 30px 0;
    position: absolute;
    bottom: 0;
    height: 60px;
    margin-bottom: 20px;
    margin-left: 500px;
}

.navbar-wrapper {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    z-index: 20;
}

.btn {
    background-color: #000000;
    color: snow;
    margin-top: 8px;
}

.navbar-wrapper .container {
    padding-right: 0;
    padding-left: 0;
}

.navbar-wrapper .navbar {
    padding-right: 15px;
    padding-left: 15px;
}

.jumbotron {
    color: darkslategray;
}

@media screen and (max-width: 767px) {
    .row-offcanvas {
        position: relative;
        -webkit-transition: all .25s ease-out;
        -moz-transition: all .25s ease-out;
        transition: all .25s ease-out;
    }

    .row-offcanvas-right {
        right: 0;
    }

    .row-offcanvas-left {
        left: 0;
    }

    .row-offcanvas-right
    .sidebar-offcanvas {
        right: -50%;
    }

    .row-offcanvas-left
    .sidebar-offcanvas {
        left: -50%;
    }

    .row-offcanvas-right.active {
        right: 50%;
    }

    .row-offcanvas-left.active {
        left: 50%;
    }

    .sidebar-offcanvas {
        position: absolute;
        top: 0;
        width: 50%;
    }
    .size {
        width: 292px;
        height: 300px;
    }
}